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Code Issues Releases Wiki Activity

detect if 'ps' command output all the processes

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This commit is contained in:
song 2018-04-12 00:28:10 +08:00
parent 69e434d08c
commit 1dccf60fca
1 changed files with 21 additions and 6 deletions
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27
lib/util/devutil.js
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@ -43,6 +43,8 @@ devutil.listPidsByComm = function(adb, serial, comm, bin) {
return new Promise(function(resolve) {
var header = true
var pids = []
var showTotalPid = false
out.pipe(split())
.on('data', function(chunk) {
if (header) {
@ -50,26 +52,39 @@ devutil.listPidsByComm = function(adb, serial, comm, bin) {
}
else {
var cols = chunk.toString().split(/\s+/)
if (cols.pop() === comm && users[cols[0]]) {
if (!showTotalPid && cols[0] === 'root') {
showTotalPid = true
}
// last column of output would be command name containing absolute path like '/data/local/tmp/minicap'
// or just binary name like 'minicap', it depends on device/ROM
var lastCol = cols.pop()
if ((lastCol === comm || lastCol === bin) && users[cols[0]]) {
pids.push(Number(cols[1]))
}
}
})
.on('end', function() {
resolve(pids)
resolve({showTotalPid: showTotalPid, pids: pids})
})
})
}
return adb.shell(serial, 'ps 2>/dev/null')
.then(findProcess)
.then(function(pids) {
if (pids.length > 0) { // return pids if process can be found in the output of 'ps' command
return Promise.resolve(pids)
.then(function(res) {
// return pids if process can be found in the output of 'ps' command
// or 'ps' command has already displayed all the processes including processes launched by root user
if (res.showTotalPid || res.pids.length > 0) {
return Promise.resolve(res.pids)
}
else { // otherwise try to run 'ps -elf'
// otherwise try to run 'ps -elf'
else {
return adb.shell(serial, 'ps -lef 2>/dev/null')
.then(findProcess)
.then(function(res) {
return Promise.resolve(res.pids)
})
}
})
}